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1 mole of any substance contains 6.02 x 1023 constituent particles, correct to three significant figures (avogadro constant).
Number of molecules of 4 moles of MgCl2 = 4 x 6.02 x 1023
In every molecule of MgCl2 there are 3 atoms.
Thus, number of atoms in 4 moles of MgCl2 = 3 x 4 x 6.02 x 1023 = 7.22 x 1024
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How many atoms are n 4.0 moles of MgCl2?
In 4.0 moles of MgCl2, there are approximately 1.45 x 10^24 atoms. This can be calculated by multiplying Avogadro's number (6.022 x 10^23) by the number of moles (4.0) and then multiplying by the total number of atoms in one molecule of MgCl2 (3).
How many chloride ions are in sample of salt that contains 2 moles of MgCl2?
Two Chloride ions (2Cl-) ions are needed with their -1 charge on each one to cancel out the +2 charge of the single Magnesium ion (Mg2+). So Magnesium Chloride would have the chemical formula: MgCl2
How many atoms of hydrogens are in 3 moles of CH4?
There are 12 atoms of hydrogen in 3 moles of CH4. CH4 consists of one carbon atom and four hydrogen atoms. Since each mole of CH4 has 4 hydrogen atoms, 3 moles would have 3 * 4 = 12 hydrogen atoms in total.
How many moles of oxygen are in one mole of P4O10?
There are 10 moles of oxygen in one mole of P4O10. This is because each molecule of P4O10 contains 4 phosphorus atoms and 10 oxygen atoms.
How many atoms and are there in 36g of water?
There are approximately 3.34 x 10^23 atoms in 36g of water. This can be calculated by first finding the number of moles of water using its molar mass (18g/mol), then converting moles to atoms using Avogadro's number (6.022 x 10^23 atoms/mol).
How many atoms are n 4.0 moles of MgCl2?
In 4.0 moles of MgCl2, there are approximately 1.45 x 10^24 atoms. This can be calculated by multiplying Avogadro's number (6.022 x 10^23) by the number of moles (4.0) and then multiplying by the total number of atoms in one molecule of MgCl2 (3).
How many moles of carbon atoms are in 4 moles of dimethylsulfoxide?
8
How many moles of phosphorus atoms are there in 8 moles of P4O10?
There are 8 moles of P4O10, and each mole of P4O10 contains 4 moles of phosphorus atoms. Therefore, there are 32 moles of phosphorus atoms in 8 moles of P4O10.
How many moles of atoms are present in 4 moles of Ca(HCO3)2?
In Ca(HCO3)2, there are 2 moles of carbonate ions (CO3^2-), each containing 3 atoms. So there are 6 atoms in 1 molecule of Ca(HCO3)2. Therefore, in 4 moles of Ca(HCO3)2, there are 4 x 6 = 24 moles of atoms.
How many moles of oxygen gas are needed to make 4 moles of water?
Two moles of oxygen gas are needed to make 4 moles of water in the reaction: 2H2 + O2 -> 2H2O.
How many atoms of phosphorus are in 7.6 moles of copper phosphate?
There are 4 phosphorus atoms in one molecule of copper phosphate (Cu3(PO4)2). Therefore, in 7.6 moles of copper phosphate, there would be 7.6 moles x 4 atoms = 30.4 moles of phosphorus atoms.
How many atoms of hydrogen are there in 4 moles of CH4?
There are 24 moles of hydrogen in 4 moles of CH4 because each molecule of CH4 contains 4 hydrogen atoms. Therefore, you have 24 moles x 6.022 x 10^23 atoms/mol = 1.4448 x 10^25 atoms of hydrogen.
How many chloride ions are in sample of salt that contains 2 moles of MgCl2?
Two Chloride ions (2Cl-) ions are needed with their -1 charge on each one to cancel out the +2 charge of the single Magnesium ion (Mg2+). So Magnesium Chloride would have the chemical formula: MgCl2
How many moles of iron are in 2.99x1023 atoms of iron?
0.4965 moles rounded to 4 significant figures
In the reaction MgCl2 plus 2KOH---MgOH2 plus 2KCl if 3 moles MgCl2 are added to 4 moles 4 KOH what determines how much MgOH2 is made?
Potassium hydroxide is the limiting agent.
How many atoms are in 4.0 moles of sodium?
1 mol has 6,022 140 857.10e23 atoms (The number of Avogadro).4 moles of sodium have 24,088 563 428.10e23 atoms.
In the reaction mgcl2 plus 2koh mgoh2 mgoh2 plus 2kcl if 3 moles mgcl2 are added to 4 moles koh what determined how much mgoh2 is made?
The stoichiometry of the reaction determines the amount of Mg(OH)2 produced. In this case, the balanced equation shows that 1 mole of MgCl2 reacts with 2 moles of KOH to produce 1 mole of Mg(OH)2. Therefore, if 3 moles of MgCl2 are added, 6 moles of KOH are needed to completely react with it and produce 3 moles of Mg(OH)2.
